The Diavik Waste Rock Project: Geochemical and microbiological characterization of low sulfide content large-scale waste rock test piles
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- 作者：Brenda L. Baileya ; blbailey@uwaterloo.ca" class="auth_mail" title="E-mail the corresponding author ; David W. Blowesa ; Leslie Smithb ; David C. Segoc
- 关键词：Mine drainage ; Arctic ; Waste rock ; Low-sulfide content
- 刊名：Applied Geochemistry
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：65
- 期：Complete
- 页码：54-72
- 全文大小：6518 K
文摘
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Effluent from low S content (<0.1 wt.% S) waste rock had low pH (pH < 4.5), and high concentrations of SO4 (maximum of 2800 mg L−1) and dissolved metals.
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Water quality varied with seasonal temperatures and sulfide-mineral oxidation rates.
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Mineral dissolution–precipitation reactions controlled pH and metal mobility.
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Solutes migrated downwards through matrix dominated flow.